标准时

1 Knapsack problem, the maximum value of the standards.

0-1背包问题，按价值最大为标准时划分的。

The time in any of 24 time zones, usually the mean solar time at the central meridian of each zone. In the continental United States, there are four standard time zones: Eastern, using the 75th meridian; Central, using the 90th meridian; Mountain, using the 105th meridian; and Pacific, using the 120th meridian.

标准时：24个时区的任何一个时区，通常指每个时区中间子午线的平均太阳时间在美国大陆有4个时区：东部时区使用第75度子午线；中部时区使用第90度子午线；山区时区使用第105度子午线；太平洋时区使用第120度子午线

To notify NACs of any pilots who do not appear to meet the qualification criteria.

任何飞行员似乎不符合资格标准时，通知 NACs 。

When the operating voltage lower or higher than the standard display is likely to result in failure.

当工作电压低于或高出标准时就有可能造成显示方面的故障。

One evidence for this is when setting the 450 ppm in 1990s, China's rise has not been considered.

这么说的理由之一是在上世纪九十年代订立450ppm的标准时，并未考虑中国的崛起。

You can preload messages and assign specific criteria to when they should be sent.

你可以预紧讯息，并指派特定标准时，应发出。

The technical requirements of the de-excitation system for generators are discussed, including the technical parameters of field circuit breaker, the capacity of de-excitation resistor, the time of de-excitation, the operation conditions for generator de-excitation, etc.

分析讨论了灭磁系统设计的几个主要技术要求，包括磁场断路器的性能参数要求及其选择计算、灭磁电阻容量要求及其选择计算、对灭磁时间的要求、设计应考虑的灭磁工况等，提出了相应的设计计算方法以及在灭磁系统设计中应用ANSI/IEEEC37.18标准时应注意的几个问题。

Bespin completes a day every 12 standard hours.

贝斯平的一天有12个标准时。

Chapter 2Secondly, by the modification of an catenated MOF named IRMOF-15, two new IRMOFs were designed that show largely improved methane storage capacity, which exceed the DOE target and give comparable values to the available MOF (PCN-14) with highest methane storage capacity on volume basis, but much higher values on weight basis.

与迄今具有最大甲烷存储量的MOF材料PCN-14相比，新设计的互穿MOF材料，以体积分率为标准时，均超过了PCN-14中甲烷的存储量；而以质量分率为标准，远大于PC N-14中的甲烷存储量。

Of different seasons, and select the best herborization time. Then we compare the contents of general flavone, Diosmin, Palustroside and CHA in 10 samples, draw a conclusion that flavone, Diosmin and Palustroside are the representative index components in Quality standard, steady in different source.

对其质量标准进行了系统的研究，在不同采收期采集了蓬子菜样品，以总黄酮为指标，进行含量测定，确定了最佳采收期；还对不同产地的10个样品中总黄酮、香叶木苷、喇叭茶苷、绿原酸等活性成分进行含量比较，结果蓬子菜中黄酮类成分含量稳定，适于在制定质量标准时作为含量测定的指标成分。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷